Ex·cel·len·cy n.; pl. Excellencies
1. Excellence; virtue; dignity; worth; superiority.
His excellency is over Israel. --Ps. lxviii. 34.
Extinguish in men the sense of their own excellency. --Hooker.
2. A title of honor given to certain high dignitaries, esp. to viceroys, ministers, and ambassadors, to English colonial governors, etc. It was formerly sometimes given to kings and princes.
n : a title used to address dignitaries (such as ambassadors or
governors); usually preceded by Your or His or Her; "Your